超声导向衰减参数与控制衰减参数之间的兼容性和偏差,用于基于超声的肝硬化症评估
Daisuke Miura1, Rino Hiwatashi, Tomoko Sakata
1Department of Ultrasound and Clinical Laboratory, Fukuoka Tokushukai Hospital, Fukuoka, Japan.
Ultrasound quarterly
|January 29, 2026
概括
超声导向衰减参数 (UGAP) 可以可靠地估计控制衰减参数 (CAP) 来评估肝脂肪. 开发的回归模型在诊断范围内显示出良好的可比性,支持非侵入性肝硬化症评估的潜在可互换性.
科学领域:
- 医疗成像医学成像
- 肝病学 肝病学是一种肝病学.
- 生物统计学 生物统计学
背景情况:
- 对肝硬化症的非侵入性评估对于患者的管理至关重要.
- 控制衰减参数 (CAP) 是一种广泛使用的基于超声波的方法.
- 超声导向衰减参数 (UGAP) 为肝脏衰减提供了一种替代测量方法.
研究的目的:
- 从UGAP开发一个回归模型来估计CAP.
- 评估UGAP和CAP测量之间的协议和偏差.
- 评估UGAP和CAP在临床实践中的潜在可互换性.
主要方法:
- 对85名同时进行UGAP和CAP测量的患者进行了回顾性观察性研究.
- 进行线性回归分析,从UGAP-AC.中得出CAP的预测方程.
- 布兰德-阿尔特曼分析以评估共识和偏见,包括BMI影响.
主要成果:
- 在UGAP-AC和CAP之间存在强烈的正相关性 (r=0.947).
- 开发了回归方程:CAP (dB/m) =371.5×UGAP-AC + 12.3 (R2=0.8946). 在此过程中,我们使用了回归方程.
- 确定了固定偏差和BMI依赖的比例偏差,在临床相关的CAP范围 (228-300dB/m) 中减少.
结论:
- 使用线性回归模型,UGAP-AC可以可靠地估计CAP.
- 尽管存在一些偏见,UGAP和CAP在诊断范围内显示出良好的可比性.
- 这些发现支持UGAP和CAP在高通量环境中进行非侵入性肝硬化症评估的潜在可互换性.
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